Relier Pairs dolphins parts of bodyVersion en ligne 11th grade dolphins par lyubanya9288 1 peduncle 2 rostrum 3 melon 4 dorsal fin 5 blowhole 6 ear 7 pectoral fins 8 fluke the organ that enables hearing and (in mammals) body balance using the vestibular system the powerhouse of the body, located between the dorsal fin and tail flukes a structure located in the forehead of dolphins that is thought to play a key role in their echolocation abilities the hole through which a dolphin breathes a term used in anatomy for several kinds of hard, beak-like structures projecting out from the head or mouth of an animal the two fins located on the sides of a fish (or marine mammal) one of the two parts that a dolphin's tail is divided into a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom